Home / 8,471,929.77-12,700,441.49-3,357,949.31

Finding the Fourth Proportional to 8,471,929.77, 12,700,441.49 and 3,357,949.31

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Solution

The fourth proportional to 8,471,929.77, 12,700,441.49 and 3,357,949.31 is: 5,033,969.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,471,929.77 : 12,700,441.49 = 3,357,949.31 : x
  2. Step 2: Convert to fraction form
    8,471,929.77/12,700,441.49 = 3,357,949.31/x
  3. Step 3: Cross multiply
    8,471,929.77x = 12,700,441.49 × 3,357,949.31
  4. Step 4: Simplify right side
    8,471,929.77x = 42,647,438,657,748.92
  5. Step 5: Solve for x
    x = 42,647,438,657,748.92/8,471,929.77
  6. Step 6: Final answer
    x = 5,033,969.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.